How to calculate the increase of SA:V ratio? Please help!?

Reply Wed 10 Oct, 2012 12:00 am
If a bacteria has a cell body with (SA = 7.36 um^2 V= 1.15 um^3) by how many times would a stalk (length = 30 um diameter = 0.14 um) increase the SA:V ratio of a cell body. In other words you want to compare the SA:V ratio of the cell body with a stalk to the SA:V of a cell body without a stalk. Assume the cell body and stalk are cylinders.

I got so far as getting the SA:V ratio for the stalk to be 28.6 compared to the cell body of 6.4 but doesn't my 28.6 number just take into account the stalk by itself? this stalk grows on the cell body I don't know how to 'add' it on you know? maybe I'm going about this the wrong way any input would be helpful! Thanks in advance!
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